package ooday02;

public class Student  extends  Person{
    String className;
    String stuId;
    String A;
    Student (){}
    Student(String name, int age,String address, String className, String stuId, String A){
        super(name,age,address,A);
        this.className=className;
        this.stuId=stuId;

    }
    void study(){
        System.out.println(name+"正在学习....");
    }
    void  sayHi (){
        System.out.println("大家好,我叫"+name+"今年"+age+"岁了,家住"+address);
    }
}
